000 nam a22 4500
100 _aWilliam, Bell.
245 _aPibt area 2 opertions research result - 1981/82 - Lam Nam Oon : Lam Nam Oon integrated rural development project
260 _as.l..
_bLOUIS Bevger International
_c1982
942 _c22
999 _c6033
_d6033